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Resonance decay dynamics and their effects on p(T) spectra of pions in heavy-ion collisions

机译:共振衰减动态及其对重离子碰撞中散孔的p(t)光谱的影响

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摘要

The influence of resonance decay dynamics on the momentum spectra of pions in heavy-ion collisions is examined. Taking the decay processes omega - 3 pi and rho - 2 pi as examples, I demonstrate how the resonance width and details of decay dynamics (via the decay matrix element) can modify the physical observables. The latter effect is commonly neglected in statistical models. To remedy the situation, a theoretical framework for incorporating hadron dynamics into the analysis is formulated, which can be straightforwardly extended to describe general N-body decays.
机译:研究了重离子碰撞中共振衰变动力学对π介子动量谱的影响。采用衰变过程ω-;3π和ρ-;作为例子,我演示了共振宽度和衰变动力学细节(通过衰变矩阵元素)如何修改物理观测值。后者的影响在统计模型中通常被忽略。为了纠正这种情况,我们建立了一个将强子动力学纳入分析的理论框架,该框架可以直接扩展到描述一般的N体衰变。

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